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+/*
+ LUFA Library
+ Copyright (C) Dean Camera, 2017.
+
+ dean [at] fourwalledcubicle [dot] com
+ www.lufa-lib.org
+*/
+
+/*
+ Copyright 2017 Dean Camera (dean [at] fourwalledcubicle [dot] com)
+
+ Permission to use, copy, modify, distribute, and sell this
+ software and its documentation for any purpose is hereby granted
+ without fee, provided that the above copyright notice appear in
+ all copies and that both that the copyright notice and this
+ permission notice and warranty disclaimer appear in supporting
+ documentation, and that the name of the author not be used in
+ advertising or publicity pertaining to distribution of the
+ software without specific, written prior permission.
+
+ The author disclaims all warranties with regard to this
+ software, including all implied warranties of merchantability
+ and fitness. In no event shall the author be liable for any
+ special, indirect or consequential damages or any damages
+ whatsoever resulting from loss of use, data or profits, whether
+ in an action of contract, negligence or other tortious action,
+ arising out of or in connection with the use or performance of
+ this software.
+*/
+
+/** \file
+ *
+ * Header file for SCSI.c.
+ */
+
+#ifndef _SCSI_H_
+#define _SCSI_H_
+
+ /* Includes: */
+ #include <avr/io.h>
+ #include <avr/pgmspace.h>
+
+ #include <LUFA/Common/Common.h>
+ #include <LUFA/Drivers/USB/USB.h>
+ #include <LUFA/Drivers/Board/LEDs.h>
+
+ #include "../MassStorage.h"
+ #include "../Descriptors.h"
+ #include "DataflashManager.h"
+
+ /* Macros: */
+ /** Macro to set the current SCSI sense data to the given key, additional sense code and additional sense qualifier. This
+ * is for convenience, as it allows for all three sense values (returned upon request to the host to give information about
+ * the last command failure) in a quick and easy manner.
+ *
+ * \param[in] Key New SCSI sense key to set the sense code to
+ * \param[in] Acode New SCSI additional sense key to set the additional sense code to
+ * \param[in] Aqual New SCSI additional sense key qualifier to set the additional sense qualifier code to
+ */
+ #define SCSI_SET_SENSE(Key, Acode, Aqual) do { SenseData.SenseKey = (Key); \
+ SenseData.AdditionalSenseCode = (Acode); \
+ SenseData.AdditionalSenseQualifier = (Aqual); } while (0)
+
+ /** Macro for the \ref SCSI_Command_ReadWrite_10() function, to indicate that data is to be read from the storage medium. */
+ #define DATA_READ true
+
+ /** Macro for the \ref SCSI_Command_ReadWrite_10() function, to indicate that data is to be written to the storage medium. */
+ #define DATA_WRITE false
+
+ /** Value for the DeviceType entry in the SCSI_Inquiry_Response_t enum, indicating a Block Media device. */
+ #define DEVICE_TYPE_BLOCK 0x00
+
+ /** Value for the DeviceType entry in the SCSI_Inquiry_Response_t enum, indicating a CD-ROM device. */
+ #define DEVICE_TYPE_CDROM 0x05
+
+ /* Type Defines: */
+ /** Type define for a SCSI response structure to a SCSI INQUIRY command. For details of the
+ * structure contents, refer to the SCSI specifications.
+ */
+ typedef struct
+ {
+ unsigned DeviceType : 5;
+ unsigned PeripheralQualifier : 3;
+
+ unsigned Reserved : 7;
+ unsigned Removable : 1;
+
+ uint8_t Version;
+
+ unsigned ResponseDataFormat : 4;
+ unsigned Reserved2 : 1;
+ unsigned NormACA : 1;
+ unsigned TrmTsk : 1;
+ unsigned AERC : 1;
+
+ uint8_t AdditionalLength;
+ uint8_t Reserved3[2];
+
+ unsigned SoftReset : 1;
+ unsigned CmdQue : 1;
+ unsigned Reserved4 : 1;
+ unsigned Linked : 1;
+ unsigned Sync : 1;
+ unsigned WideBus16Bit : 1;
+ unsigned WideBus32Bit : 1;
+ unsigned RelAddr : 1;
+
+ uint8_t VendorID[8];
+ uint8_t ProductID[16];
+ uint8_t RevisionID[4];
+ } MS_SCSI_Inquiry_Response_t;
+
+ /** Type define for a SCSI sense structure to a SCSI REQUEST SENSE command. For details of the
+ * structure contents, refer to the SCSI specifications.
+ */
+ typedef struct
+ {
+ uint8_t ResponseCode;
+
+ uint8_t SegmentNumber;
+
+ unsigned SenseKey : 4;
+ unsigned Reserved : 1;
+ unsigned ILI : 1;
+ unsigned EOM : 1;
+ unsigned FileMark : 1;
+
+ uint8_t Information[4];
+ uint8_t AdditionalLength;
+ uint8_t CmdSpecificInformation[4];
+ uint8_t AdditionalSenseCode;
+ uint8_t AdditionalSenseQualifier;
+ uint8_t FieldReplaceableUnitCode;
+ uint8_t SenseKeySpecific[3];
+ } MS_SCSI_Request_Sense_Response_t;
+
+ /* Function Prototypes: */
+ bool SCSI_DecodeSCSICommand(void);
+
+ #if defined(INCLUDE_FROM_SCSI_C)
+ static bool SCSI_Command_Inquiry(void);
+ static bool SCSI_Command_Request_Sense(void);
+ static bool SCSI_Command_Read_Capacity_10(void);
+ static bool SCSI_Command_Send_Diagnostic(void);
+ static bool SCSI_Command_ReadWrite_10(const bool IsDataRead);
+ static bool SCSI_Command_ModeSense_6(void);
+ #endif
+
+#endif
+